Support column



FIG. 1 is a perspective view of a support column showing the new design;

FIG. 2 is a top view of the support column, the bottom view being identical thereto; and,

FIG. 3 is a side view of the support column.

The broken lines in FIG. 2 indicates that the ends of the beams are square. 

The ornamental design for a support column, as shown and described. 